CN114089113A - Fault point checking method and device for power transmission line - Google Patents
Fault point checking method and device for power transmission line Download PDFInfo
- Publication number
- CN114089113A CN114089113A CN202111382857.0A CN202111382857A CN114089113A CN 114089113 A CN114089113 A CN 114089113A CN 202111382857 A CN202111382857 A CN 202111382857A CN 114089113 A CN114089113 A CN 114089113A
- Authority
- CN
- China
- Prior art keywords
- power transmission
- transmission line
- fault
- fault point
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 91
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000013024 troubleshooting Methods 0.000 claims description 29
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000011835 investigation Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 125000003003 spiro group Chemical group 0.000 claims description 2
- 238000007689 inspection Methods 0.000 abstract description 4
- 230000009466 transformation Effects 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/085—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution lines, e.g. overhead
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Cable Installation (AREA)
Abstract
The invention discloses a method for checking fault points of a power transmission line, which comprises the following steps: the method comprises the following steps: transferring power transmission data of each regional substation, analyzing and acquiring the region of the fault power transmission line; step two: the transmission line is checked through a transmission circuit fault point checking device, real-time dynamic states of fault points are obtained, and fault reasons are analyzed; step three: and acquiring and reporting fault point positioning information. The power transmission line is inspected through the power transmission circuit fault point inspection device, the real-time high-definition video of the fault of the power transmission line is acquired, and emergency repair personnel can know the fault reason, so that the emergency repair equipment can be selected corresponding to the reason, the positioning information of the fault position of the power transmission line is transmitted to a computer through interconnection of a positioner on the power transmission circuit fault point inspection device and a computer of the inspection personnel, and then the emergency repair personnel only need to plan the distance according to the positioning information and can quickly drive to the fault point for emergency repair.
Description
Technical Field
The invention belongs to the technical field of troubleshooting of power transmission line fault points, and particularly relates to a troubleshooting method and a troubleshooting device for power transmission line fault points.
Background
The transmission line trouble comes from the influence of thunder and wind according to the natural condition, the maloperation that comes from the construction unit according to the unnatural condition arouses, to overhead transmission line, if when certain section transmission line broke down, the unit of salvageing generally calls out whole transformer substation transmission and transformation information through power system's network, and find out the circuit that transmission of electricity and incoming electricity broke down, thereby obtain the transmission line region that breaks down, salvage unit's driving and patrol and examine this regional transmission line after that, until finding, to high tension line, pole height generally all is higher, if the transmission line takes place the foreign matter overlap joint condition, because the influence of effective stadia, it is difficult to see clearly, it is very inconvenient.
Disclosure of Invention
The invention aims to provide a method and a device for checking a fault point of a power transmission line, which are used for solving the problem that the fault point of the power transmission line is inconvenient to check in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a method for checking fault points of a power transmission line comprises the following steps:
the method comprises the following steps: transferring power transmission data of each regional substation, analyzing and acquiring the region of the fault power transmission line;
step two: the transmission line is checked through a transmission circuit fault point checking device, real-time dynamic states of fault points are obtained, and fault reasons are analyzed;
step three: and acquiring and reporting fault point positioning information.
Preferably, in the first step, each regional substation is numbered, and the specific region with the fault is determined by feeding back poor transmission information of each numbered substation.
Preferably, in the second step, the power transmission line fault point implementation dynamics is acquired as a real-time high-definition video.
A transmission line fault point troubleshooting device for the transmission line fault point troubleshooting method comprises a fixed hoop fixed on a pole, wherein a supporting plate is arranged on the fixed hoop, fixed blocks are arranged on two sides of the supporting plate, a threading hole and a supporting rope are arranged in the fixing block in a penetrating manner, a pressing bolt is screwed on the fixed block and presses the supporting rope tightly, a sliding plate is arranged on the supporting rope, a sliding rope hole is formed in the sliding plate, the supporting rope penetrates through the sliding rope hole, a fixed plate is arranged on one side of the sliding plate, a speed reducing motor is arranged on one side of the fixed plate, a rotor shaft of the speed reducing motor penetrates through a shaft hole formed in the fixed plate, at least two walking wheels are arranged at one end of the rotor shaft of the speed reducing motor, a connecting shaft is connected between the walking wheels, and the central position of one end of the walking wheel on one side of the speed reducing motor is connected to the end part of the rotor shaft of the speed reducing motor, the walking wheel runs through the first round hole that the sliding rope hole upside was equipped with and compresses tightly the support rope, be provided with the camera on the slide plate, the camera reaches long-range video transmission agreement with the peripheral hardware computer, the bottom of slide plate is provided with the battery box, the bottom of battery box is provided with wireless positive and negative rotation controller, the power output end of battery box passes through the cable and connects the main power input end at wireless positive and negative rotation controller, the power output end of wireless positive and negative rotation controller passes through the power input end that the cable connects gear motor.
Preferably, a reinforcing plate is arranged between the fixed hoop and the supporting plate, and the reinforcing plate is a triangular plate.
Preferably, the bottom of slide plate is connected with the mount, the mount is the U template, it is provided with the support pulley seat to slide in the mount, the gyro wheel of support pulley seat runs through the second wheel hole that slide rope hole downside was equipped with and compresses tightly the support rope, the bottom spiro union of mount has support bolt and support bolt to compress tightly the bottom of supporting the pulley seat.
Preferably, the two sides of the supporting pulley seat are provided with sliding blocks, and the two sides of the inner wall of the fixing frame are provided with sliding grooves into which the sliding blocks are inserted.
Preferably, a locator is arranged on one side of the camera.
Compared with the prior art, the invention has the beneficial effects that:
the invention relates to a method for troubleshooting a fault point of a power transmission line, which comprises the steps of acquiring the approximate positions of the power transmission lines of a plurality of transformer substations in charge of power transformation by calling a regional power system layout, thereby reducing the troubleshooting range, troubleshooting the power transmission lines by a power transmission circuit fault point troubleshooting device, acquiring a real-time high-definition video of the fault of the power transmission lines, and enabling emergency repair personnel to know the fault reason, so that emergency repair equipment can be selected according to the reason, and the positioning information of the fault position of the power transmission lines is transmitted to a computer by interconnecting a positioner on the power transmission circuit fault point troubleshooting device and the computer of the troubleshooting personnel, so that the subsequent emergency repair personnel can quickly drive to the fault point for emergency repair by only planning the route according to the positioning information;
the invention relates to a fault point troubleshooting device for a power transmission line, which controls a wireless forward and reverse rotation controller to change the direction of current input into a speed reducing motor through a remote controller of the wireless forward and reverse rotation controller, so that the steering direction of a rotor shaft of the speed reducing motor is changed, the traveling direction of a traveling wheel is changed, the traveling direction of the device on a supporting rope is changed, a camera can transmit high-definition video of the power transmission line at a high position to a computer in real time in the traveling process until a fault point is found, and the existing positioning of the positioner represents the fault position of the power transmission line because the positioner is arranged at the side of the camera, so that the fault of the power transmission line is more conveniently troubleshot for the high-voltage power transmission line with higher overhead height.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a left side schematic view of FIG. 1;
FIG. 3 is a schematic view in partial cutaway of FIG. 2;
fig. 4 is an enlarged schematic view of a portion of fig. 1.
In the figure: the device comprises a fixed hoop 1, a supporting plate 2, a reinforcing plate 3, a fixing block 4, a supporting rope 5, a compression bolt 6, a sliding plate 7, a fixing plate 8, a speed reducing motor 9, a walking wheel 10, a connecting shaft 11, a fixing frame 12, a supporting pulley seat 13, a sliding block 14, a sliding groove 15, a supporting bolt 16, a camera 17, a battery box 18, a wireless forward and reverse rotation controller 19 and a positioner 101.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
A method for checking fault points of a power transmission line comprises the following steps:
the method comprises the following steps: the method comprises the steps that power transmission data of all regional substations are called, regions of a fault power transmission line are analyzed and obtained, in the first step, the regional substations are numbered in a power system, poor power transmission information is fed back through the numbered substations, specific regions with faults are determined, if the power transmission of the numbered substations is poor, the positions of the substations are determined according to the numbers, and the approximate positions of the power transmission lines of the substations, which are responsible for power transformation, are obtained through calling regional power system layout, so that the investigation range is reduced;
step two: the transmission line is inspected through the transmission circuit fault point inspection device, real-time dynamic states of fault points are obtained, fault reasons are analyzed, in the second step, the power transmission line fault point implementation dynamic states are obtained to be real-time high-definition videos, and through the obtained real-time high-definition videos of the power transmission line faults, emergency repair personnel can know the fault reasons, so that emergency repair equipment can be selected according to the reasons;
step three: the method comprises the steps of obtaining and reporting fault point positioning information, obtaining specific positioning information of faults on the power transmission line through a power transmission circuit fault point troubleshooting device, and enabling subsequent rush repair personnel to quickly drive to reach the fault point for rush repair only by planning routes according to the positioning information.
Referring to fig. 1, 2, 3 and 4, a power transmission line fault point troubleshooting device for the power transmission line fault point troubleshooting method according to claim 1 comprises a fixed hoop 1 locked and fixed on each electric pole through bolts and nuts, the distance between the fixed hoop 1 and the electric transmission line arranged on the top of the electric pole is 5 meters, a support plate 2 is welded on the front side of the fixed hoop 1, a reinforcing plate 3 is welded between the fixed hoop 1 and the support plate 2, the reinforcing plate 3 is a triangular plate, the arrangement of the reinforcing plate 3 can enhance the stability of the joint of the fixed hoop 1 and the support plate 2, the left side and the right side of the upper end of the support plate 2 are provided with fixed blocks 4, the support plate 2 and the fixed blocks 4 are fusion-cast integrated pieces, insulating paint is sprayed on the outer surfaces of the support plate 2 and the fixed blocks 4, threading holes are formed in the fixed blocks 4, support ropes 5 are inserted in the threading holes in sliding manner, and the support ropes 5 are soft steel wire ropes with nylon leather wrapped outside, the support rope 5 between the two electric poles is kept in a stretched state before being installed on the fixed blocks 4, the support rope 5 is tightly pressed by the compression bolts 6 which are screwed on the fixed blocks 4, when the support rope 5 is tightly pressed by the compression bolts 6, the support rope 5 between the electric poles is kept in a stretched state, the sliding rope holes are formed in the front and rear positions in the sliding plate 7, the support rope 5 penetrates through the sliding rope holes in a sliding mode, the inner wall of each sliding rope hole is subjected to finish polishing treatment to ensure that the sliding plate 7 can slide on the support rope 5 smoothly, insulating paint is coated on the surface of the sliding plate 7, a fixed plate 8 is welded on the left side of the front portion of the sliding plate 7, a speed reducing motor 9 is fixed on a left side screw of the fixed plate 8, a rotor shaft of the speed reducing motor 9 penetrates through a shaft hole formed in the fixed plate 8, the model of the speed reducing motor 9 is Z4D25-24GN, connecting shafts 11 are welded at the corresponding end center positions in the left and right two walking wheels 10, the left end center position of the left walking wheels 10 is welded at the end of the speed reducing motor 9, a traveling wheel 10 penetrates through a first wheel hole arranged on the upper side of a sliding rope hole and presses a supporting rope 5 tightly, a wheel groove of the traveling wheel 10 is in stable contact with the supporting rope 5, and anti-skidding protrusions are uniformly and annularly arranged on the inner wall of the wheel groove of the traveling wheel 10, so that the traveling wheel 10 is not easy to skid on the supporting rope 5, a fixing frame 12 is welded at the left and right positions of the bottom of a sliding plate 7, the fixing frame 12 is a U-shaped plate, a supporting pulley seat 13 is inserted in the fixing frame 12 in a sliding manner, a roller of the supporting pulley seat 13 penetrates through a second wheel hole arranged on the lower side of the sliding rope hole and presses the supporting rope 5 tightly, a supporting bolt 16 is screwed at the bottom of the fixing frame 12 and presses the bottom of the supporting pulley seat 13 tightly, sliders 14 are welded at the left and right sides of the supporting pulley seat 13, sliding grooves 15 are arranged at the left and right sides of the inner wall of the fixing frame 12, the sliders 14 are inserted in the sliding grooves 15 slidably, the supporting bolt 16 is rotated, the supporting bolt 16 presses the supporting pulley seat 13 upwards, make the gyro wheel of supporting pulley seat 13 compress tightly upwards supporting rope 5, the downside of the gyro wheel upside butt walking wheel 10 of supporting pulley seat 13 consequently further increases the frictional resistance who supports rope 5 and walking wheel 10 race to avoid walking wheel 10 to skid on supporting rope 5.
Referring to fig. 1, 2 and 3, a camera 17 is fixed on a sliding plate 7 by a screw, the model of the camera 17 is KS-X6, the camera 17 and an external computer achieve a remote video transmission protocol, the camera direction of the camera 17 is adjusted by a computer of an inspector to obtain a video of the surface condition of a power transmission line in real time, a battery box 18 is fixed on the bottom of the sliding plate 7 by a screw, four 24V lithium batteries are arranged in the battery box 18, electrodes of the lithium batteries are connected in series and then connected with positive and negative wiring piles on the battery box 18, a wireless forward and reverse rotation controller 19 is fixed on the bottom of the battery box 18 by a screw, the model of the wireless forward and reverse rotation controller 19 is QF-M05, a self-carrying remote controller is provided, the positive and negative wiring piles of the battery box 18 are connected with a main power input end of the wireless forward and reverse rotation controller 19 by a cable, a power output end of the wireless forward and reverse rotation controller 19 is connected with a power input end of a speed reducing motor 9 by a cable, the wireless forward and reverse rotation controller 19 is controlled by a remote controller of the wireless forward and reverse rotation controller 19 to change the direction of current input into the speed reducing motor 9, so that the rotation direction of a rotor shaft of the speed reducing motor 9 is changed, the rotation direction of the traveling wheel 10 is changed, the traveling direction of the device on the supporting rope 5 is changed, a power line of the camera 17 is connected with positive and negative wiring piles on the battery box 18 through a connecting direct current transformer to supply power to the camera 17, a positioner 101 is fixed on a right screw of the camera 17, the type of the positioner 101 is GT220, the positioner 101 is connected with the positive and negative wiring piles on the battery box 18 through the direct current transformer, the positioner 101 and a computer achieve a remote positioning protocol, and positioning information is transmitted to the computer in real time.
The invention relates to a method for troubleshooting a fault point of a power transmission line, which comprises the steps of acquiring the approximate positions of the power transmission lines of a plurality of transformer substations, which are responsible for power transformation, by calling a regional power system layout, reducing the troubleshooting range, troubleshooting the power transmission lines by a power transmission circuit fault point troubleshooting device, acquiring a real-time high-definition video of the fault of the power transmission lines, and enabling emergency repair personnel to know the fault reason, so that emergency repair equipment can be selected according to the reason, and the positioning information of the fault position of the power transmission lines is transmitted to a computer by interconnecting a positioner 101 on the power transmission circuit fault point troubleshooting device with the computer of the troubleshooting personnel, so that the subsequent emergency repair personnel can quickly drive to the fault point for emergency repair by only planning the path according to the positioning information;
according to the fault point troubleshooting device for the power transmission line, the wireless forward and reverse rotation controller 19 is controlled through a remote controller of the wireless forward and reverse rotation controller 19 to change the direction of current input into the speed reducing motor 9, so that the direction of the rotor shaft of the speed reducing motor 9 is changed, the direction of the traveling wheel 10 is changed, the traveling direction of the device on the supporting rope 5 is changed, in the traveling process, the camera 17 can transmit high-definition video of the power transmission line at a high position to a computer in real time until a fault point is found, and due to the fact that the positioner 101 is installed on the side of the camera 17, the existing positioning of the positioner 101 represents the fault position of the power transmission line, and therefore, for the high-voltage power transmission line with high overhead height, troubleshooting of the power transmission line is more convenient.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (8)
1. A method for checking fault points of a power transmission line is characterized by comprising the following steps:
the method comprises the following steps: transferring power transmission data of each regional substation, analyzing and acquiring the region of the fault power transmission line;
step two: the transmission line is checked through a transmission circuit fault point checking device, real-time dynamic states of fault points are obtained, and fault reasons are analyzed;
step three: and acquiring and reporting fault point positioning information.
2. The method and the device for troubleshooting the fault point of the power transmission line according to claim 1, wherein the method comprises the following steps: in the first step, the regional substations are numbered, and the specific region with the fault is determined by feeding back bad transmission information of the numbered substations.
3. The method and the device for troubleshooting the fault point of the power transmission line according to claim 1, wherein the method comprises the following steps: and in the second step, acquiring the fault point of the power transmission line and dynamically implementing the fault point into a real-time high-definition video.
4. A transmission line fault point investigation device for the transmission line fault point investigation method according to claim 1 comprises a fixed hoop (1) fixed on a pole, wherein a support plate (2) is arranged on the fixed hoop (1), fixed blocks (4) are arranged on two sides of the support plate (2), support ropes (5) are arranged in threading holes and the threading holes in the fixed blocks (4) in a penetrating manner, compression bolts (6) are screwed on the fixed blocks (4) and the compression bolts (6) compress the support ropes (5), a sliding plate (7) is arranged on the support ropes (5), a sliding rope hole is arranged in the sliding plate (7), the support ropes (5) penetrate through the sliding rope hole, a fixing plate (8) is arranged on one side of the sliding plate (7), a speed reducing motor (9) is arranged on one side of the fixing plate (8), and a rotor shaft of the speed reducing motor (9) penetrates through a shaft hole arranged in the fixing plate (8), at least two walking wheels (10) are arranged at one end of a rotor shaft of the speed reducing motor (9), a connecting shaft (11) is connected between the walking wheels (10), one end center of the walking wheel (10) on one side is connected with the end part of a rotor shaft of the speed reducing motor (9), the travelling wheels (10) penetrate through first wheel holes arranged on the upper sides of the sliding rope holes and press the supporting ropes (5), the sliding plate (7) is provided with a camera (17), the camera (17) and an external computer form a remote video transmission protocol, a battery box (18) is arranged at the bottom of the sliding plate (7), a wireless forward and backward rotation controller (19) is arranged at the bottom of the battery box (18), the power output end of the battery box (18) is connected with the main power input end of the wireless forward and reverse rotation controller (19) through a cable, and the power output end of the wireless forward and reverse rotation controller (19) is connected with the power input end of the speed reducing motor (9) through a cable.
5. The method and the device for troubleshooting the fault point of the power transmission line according to claim 4, characterized in that: a reinforcing plate (3) is arranged between the fixed hoop (1) and the supporting plate (2), and the reinforcing plate (3) is a triangular plate.
6. The method and the device for troubleshooting the fault point of the power transmission line according to claim 4, characterized in that: the bottom of slide block (7) is connected with mount (12), mount (12) are the U template, it is provided with support pulley seat (13) to slide in mount (12), the gyro wheel of support pulley seat (13) runs through the second wheel hole that slide rope hole downside was equipped with and compresses tightly support rope (5), the bottom spiro union of mount (12) has support bolt (16) and support bolt (16) to compress tightly the bottom of support pulley seat (13).
7. The method and the device for troubleshooting the fault point of the power transmission line according to claim 6, characterized in that: the two sides of the supporting pulley seat (13) are provided with sliding blocks (14), the two sides of the inner wall of the fixed frame (12) are provided with sliding grooves (15), and the sliding blocks (14) are inserted into the sliding grooves (15).
8. The method and the device for troubleshooting the fault point of the power transmission line according to claim 4, wherein the method comprises the following steps: and a positioner (101) is arranged on one side of the camera (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111382857.0A CN114089113A (en) | 2021-11-22 | 2021-11-22 | Fault point checking method and device for power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111382857.0A CN114089113A (en) | 2021-11-22 | 2021-11-22 | Fault point checking method and device for power transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114089113A true CN114089113A (en) | 2022-02-25 |
Family
ID=80302393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111382857.0A Withdrawn CN114089113A (en) | 2021-11-22 | 2021-11-22 | Fault point checking method and device for power transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114089113A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115289350A (en) * | 2022-10-08 | 2022-11-04 | 国网山东省电力公司荣成市供电公司 | Line damage monitoring device and method for overhead transmission line |
| CN116148720A (en) * | 2022-12-30 | 2023-05-23 | 中国人民解放军空军工程大学航空机务士官学校 | Aviation cable line damage investigation method based on capacitance accurate measurement |
-
2021
- 2021-11-22 CN CN202111382857.0A patent/CN114089113A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115289350A (en) * | 2022-10-08 | 2022-11-04 | 国网山东省电力公司荣成市供电公司 | Line damage monitoring device and method for overhead transmission line |
| CN116148720A (en) * | 2022-12-30 | 2023-05-23 | 中国人民解放军空军工程大学航空机务士官学校 | Aviation cable line damage investigation method based on capacitance accurate measurement |
| CN116148720B (en) * | 2022-12-30 | 2023-11-07 | 中国人民解放军空军工程大学航空机务士官学校 | Aviation cable line damage investigation method based on capacitance accurate measurement |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114089113A (en) | Fault point checking method and device for power transmission line | |
| CN102946067B (en) | The intelligence that a kind of intelligence is stepped on tower and had it steps on tower equipment | |
| CN109120069A (en) | A kind of power distribution network O&M control platform and method | |
| CN209730642U (en) | A kind of overhead transmission line automatic inspection equipment with obstacle crossing function | |
| CN116699329B (en) | Substation space voiceprint visual imaging method | |
| CN112027822A (en) | Power system stringing auxiliary device and using method thereof | |
| CN115019414A (en) | Track intelligence system of patrolling and examining based on VR is immersive | |
| CN113092144A (en) | Locomotive, motor car bogie test device | |
| CN104712170A (en) | Portable temporary righting device for inclination of power transmission line pole and tower | |
| CN212332436U (en) | Steel rail backflow device and detection system for direct-current traction power supply system | |
| CN206039297U (en) | Multipoint distribution centralized control system of patrolling and examining | |
| CN214359941U (en) | Self-fixing hoisting power equipment | |
| CN112606866B (en) | Method and device for detecting poor shunting of track circuit | |
| CN214352466U (en) | Live working robot for ubiquitous power Internet of things | |
| CN204855397U (en) | A intelligent robot for electric power facility detects | |
| CN113891184A (en) | 5G online monitoring system and method for power transmission line | |
| CN202550683U (en) | Wireless network-based transformer substation remote wireless video monitoring system | |
| CN108318731A (en) | Boosting cable, lateral connection line current on-Line Monitor Device | |
| CN114660075A (en) | Tension paying-off monitoring method and system | |
| CN208673125U (en) | Cableway-type monitoring system | |
| CN111614020A (en) | Visual monitoring device for preventing overhead transmission line from being broken outside | |
| CN207528872U (en) | A kind of phase-sensitive track circuits detecting system | |
| CN210380013U (en) | High-voltage transmission line wire operation high-efficiency moving platform car | |
| CN215807460U (en) | Automatic intelligent inspection equipment for electric power inspection | |
| CN211860357U (en) | Remote real-time monitoring system applied to electric power stringing process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20220225 |